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Damm [24]
3 years ago
9

Select the correct answer. Which expression is equivalent to cos(1.4x) − cos(0.6x)? A. -2sin x sin(0.4x) B. 2sin x sin(0.4x) C.

-2cos x cos(0.4x) D. 2cos x cos(0.4x)
Mathematics
1 answer:
lbvjy [14]3 years ago
3 0
B is the right answer cause I did some work
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5th grade math. correct answer will be marked brainliest
monitta

Answer:

She got 9 multiple choice questions right.

She got 8 true/false questions right.

Step-by-step explanation:

you have to make them have a common denominator.

so multiply 4/5 by 2/2 and you get 8/10.

She got 9/10 multiple choice answers right and 8/10 true/false answers right.

5 0
3 years ago
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OMGGG!!! ACTUALLY SOMEONE PLEASE HELP!!! PLEASE!!! THIS IS PAST DUE!!! HELLLLP!! ANSWER ALL!!!!! HELP ME!!!!
8_murik_8 [283]

y-intercept: 8

slope: 1/2

equation: 1/2x + 8

Hope this helps! :)

5 0
3 years ago
Solve the inequality. 6x + 3 > 3x + 30 A) x > 9 B) x > 11 C) x > −9 D) x > −11
ANTONII [103]

Subtract 33 from both sides

6x>3x+30-36x>3x+30−3

 Simplify 3x+30-33x+30−3 to 3x+273x+27

6x>3x+276x>3x+27

 Subtract 3x3x from both sides

6x-3x>276x−3x>27

Simplify 6x-3x6x−3x to 3x3x

3x>273x>27

Divide both sides by 3

3x>\frac{27}{3}x>

​

3x> ​27

​​  

Simplify \frac{27}{3}

​3

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ANSWER: x>9


6 0
3 years ago
Convert -3(4+7) to word statements
Alex787 [66]

Answer:

-14

Step-by-step explanation:

4+7=11 so therefore -3-11=-14

3 0
3 years ago
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Help !! No work is needed to be shown
o-na [289]

Step-by-step explanation:

By Law of Indices, a^m / a^n = a^(m-n).

Therefore a² / a⁸ = a^(-6).

x = -6.

5 0
3 years ago
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